Agilent Technologies AGC-100 User manual

Vacuum Products Division
Vacuum Gauge
Controller
AGC-100
Operating Instructions
Manual No. tqna96e1
Revision -
February 2016

V
a
AG
C
a
cu
u
C
-100
u
m
G
G
au
g
g
e C
o
Co
p
A
g
o
ntr
o
p
yright 2016
g
ilent, Inc.
o
ller

Contents
Product Identification 6
Validity 6
Intended Use 7
Scope of Delivery 7
1Safety 8
1.1 Symbols Used 8
1.2 Personnel Qualifications 8
1.3 General Safety Instructions 9
1.4 Liability and Warranty 9
2Technical Data 10
3Installation 13
3.1 Installation, Setup 13
3.1.1 Rack Installation 13
3.1.2 Installation in a control panel 16
3.1.3 Use as Desk-Top Unit 17
3.2 Mains Power Connector 17
3.3 Gauge Connector CH 1 18
3.4 CONTROL Connector 20
3.5 Interface Connector USB Type B 21
3.6 Interface Connector USB Type A 21
3.7 Interface Connector Ethernet 21
4Operation 22
4.1 Front panel 22
4.2 Turning the AGC-100 On and Off 23
4.3 Operating Modes 23
4.4 Measurement Mode 25
4.5 Parameter Mode 27
4.5.1 Switching Function Parameters 28
4.5.2 Gauge parameters 32
4.5.3 Gauge Control 40
4.5.4 General Parameters 42
4.5.5 Test Parameters 47
4.5.6 Data Logger Mode 50
4.5.7 Parameter Transfer Mode 52
5Communication Protocol (Serial Interface) 54
5.1 Data Transmission 54
5.2 Communication Protocol 55
5.3 Mnemonics 56
5.4 Measurement Mode 58
5.5 Switching Function Parameters 60
5.6 Gauge Parameters 61
5.7 Gauge Control 66
5.8 General Parameters 67
5.9 Data Logger Parameters 72
5.10 Parameter Transfer 73
5.11 Test Parameters 73
5.12 Further 77
5.13 Example 78
6Maintenance 79
7Troubleshooting 80
8Repair 81
9Accessories 81
10 Storage 81
11 Disposal 81

Appendix 82
A: ConversionTables 82
B: Firmware Update 83
C: Ethernet Configuration 86
C 1: Connect the AGC-100 to a Network 86
C 2: Connect the AGC-100 to a Computer 87
C 3: Ethernet Configuration Tool 87
D: Literature 90
ETL Certification 91
For cross-references within this document, the symbol (→XY) is used, for cross-
references to further documents and data sources, the symbol (→[Z]).

Prod
u
V
alid
u
ct Identi
f
ity
f
ication
V
a
c
I
n
t
h
T
T
T
I
f
e
W
A
c
uum Gaug
e
n
all communi
c
h
e product na
m
his document
he part numb
e
his manual is
your unit doe
q
uipped with
t
W
e reserve th
e
A
ll dimensions
e
Controlle
r
6
c
ations with
A
m
eplate:
Spe
c
t
applies to pr
o
er (Mod.-No.)
based on fir
m
e
s not work as
t
he above fir
m
e
right to mak
e
are indicated
r
AGC-100
A
gilent Techn
o
imen namepl
a
o
ducts with p
a
can be taken
m
ware version
described in
t
m
ware version
e
technical ch
a
in mm.
o
logies, pleas
e
a
te
a
rt number A
G
from the pro
d
V1.02.
t
his documen
t
(→47).
a
nges withou
t
e
specify the i
n
G
C100.
d
uct nameplat
t
, please che
c
t
prior notice.
n
formation on
e
.
c
k that it is

Vacuum Gauge Controller AGC-100
7
The Vacuum Gauge Controller AGC-100 is used together with Agilent gauges for
total pressure measurement. All products must be operated in accordance with
their respective operating manuals.
The scope of delivery consists of the following parts:
1× Vacuum Gauge Controller
1× Power cord
1× Rubber bar
2× Rubber feet
4× Collar screws
4× Plastic sleeves
1× CD-ROM (manuals, tools, …)
1× EU Declaration of Conformity
1× Installation Manual
Intended Use
Scope of Delivery

Vacuum Gauge Controller AGC-100
8
1 Safety
DANGER
Information on preventing any kind of physical injury.
WARNING
Information on preventing extensive equipment and environmental damage.
Caution
Information on correct handling or use. Disregard can lead to malfunctions or
minor equipment damage.
The lamp / display is lit.
The lamp / display flashes.
The lamp / display is off.
Press the key (example: parameter key).
Do not press any key.
<……> Labeling
Skilled personnel
All work described in this document may only be carried out by persons who
have suitable technical training and the necessary experience or who have been
instructed by the end-user of the product.
1.1 Symbols Used
Symbols for residual risks
Further symbols
1.2 Personnel Qualifications

1.3 Gen
e
Instr
u
Disco
n
1.4 Liabi
e
ral Safet
y
u
ctions
n
necting dev
lity and
W
y
ice
W
arranty
V
acuum
Adhere
work yo
The dis
c
user.
To disc
o
Commu
Agilent
T
if the e
n
•disre
•use t
•mak
e
•use t
men
t
Disconn
acc. to
E
Gauge Con
t
9
to the applic
a
o
u are going t
o
DANGE
R
Contact
w
introduce
d
Make sur
e
trate into
t
c
onnecting d
e
o
nnect the un
i
u
nicate the sa
f
T
echnologies
a
n
d-user or thir
d
e
gard the infor
t
he product in
e
any kind of i
t
he product wi
t
ation.
n
ecting device
E
N 61010-1
t
rolle
r
AGC
-
a
ble regulatio
n
o
do and cons
DANGER
R
: mains volta
g
w
ith live parts
i
d
or any liqui
d
e
no objects
e
t
he equipmen
e
vice must be
i
t from the m
a
f
ety instructio
n
a
ssumes no li
d
parties
mation in this
a non-confor
m
nterventions
(
th accessorie
s
-
100
s and take th
e
i
der the safet
y
g
e
s extremely h
d
s penetrate i
n
e
nter through
t
t
.
readily identif
i
ins supply, y
o
n
s to all other
ability and th
e
document
m
ing manner
modifications
,
s
not listed in
e
necessary
p
y
instructions
i
h
azardous wh
e
n
to the unit.
t
he louvers a
n
f
iable by and
e
o
u must unplu
g
users.
e
warranty is
r
, alterations e
t
the correspo
n
p
recautions fo
r
i
n this docum
e
e
n any object
s
n
d no liquids
p
e
asily reache
d
g
the mains c
a
r
endered null
a
t
c.) on the pr
o
n
ding product
r
all
e
nt.
s
are
p
ene-
d
by the
a
ble.
a
nd void
o
duct
docu-

Vacuum Gauge Controller AGC-100
10
2 Technical Data
Voltage 100 … 240 V (ac) ±10%
Frequency 50 … 60 Hz
Power consumption ≤45 W
Overvoltage category II
Protection class 1
Connection European appliance connector IEC 320 C14
Temperature
Storage
Operation
–20 … +60 °C
+ 5 … +50 °C
Relative humidity ≤80% up to +31 °C,
decreasing to 50% at +40 °C
Use indoors only
max. altitude 2000 m NN
Pollution degree II
Degree of protection IP30
Number 1
Gauge connections per channel RJ45 (FCC68), 8-pin (→19)
D-Sub, 15-pin, female (→19)
(connected in parallel)
Compatible gauges
Pirani PVG-500, PVG-502, PVG-550, PVG-552
Pirani / Capacitance PCG-750, PCG 752
Cold cathode IMG-500
Cold cathode / Pirani FRG-700, FRG-702
Hot ionization / Pirani FRG-720, FRG-730
Capacitance CDG-500
Voltage +24 V (dc) ±5%
Ripple <±1%
Current 0 … 1 A (per channel)
Power 25 W (per channel)
Fuse protection 1.5 A (per channel) with PTC element, self-
resetting after turning the unit off or disconnect-
ing the gauge. The supply conforms to the
grounded protective extra low voltage require-
ments.
Front panel via 3 keys
Remote control via USB type B interface
via Ethernet interface
Mains specifications
Ambience
Gauge connections
Gauge supply
Operation

Vacuum Gauge Controller AGC-100
11
Measurement ranges depending on gauges (→[1] … [8])
Measurement error analog
Gain error ≤0.01% F.S. (typical)
≤0.10% F.S. (over temperature range, time)
Offset error ≤0.01% F.S. (typical)
≤0.10% F.S. (over temperature range, time)
Measurement rate analog ≥100 / s
Display rate ≥10 / s
Filter time constant
Slow
Normal
Fast
8 s (fg= 0.02 Hz)
800 ms (fg= 0.2 Hz)
160 ms (f
g
= 1 Hz)
Measurement units mBar, hPa, Torr, Pa, Micron, V
Offset correction for linear gauges
Calibration factor 0.10 … 10.00
A/D converter resolution 0.001% F.S.
(the measurement values of FRG-720,
FRG-730, CDG-500 are transmitted digitally)
Number 2
Reaction delay ≤10 ms, if switching threshold close to meas-
urement value (for larger differences consider
filter time constant)
Adjustment range depending on gauge (→30, 31)
Hysteresis ≥1% F.S. for linear gauges,
≥10% of measurement value for logarithmic
gauges
Contact type floating changeover contact
Load max. 60 V(dc), 30 W (ohmic)
30 V(ac), 1 A (ohmic)
Service life
Mechanical
Electrical
1×108cycles
1×105cycles (at max. load)
Contact positions →20)
Connector (CONTROL) D-Sub appliance connector, male, 15-pin
(pin assignment →20)
Number 1
Reaction time ≤10 ms
Contact type floating normally open contact
Load max. 60 V(dc), 0.5 A, 30 W (ohmic)
30 V(ac), 1 A (ohmic)
Service life
Mechanical
Electrical
1×108cycles
1×105cycles (at max. load)
Contact positions →20
Connector (CONTROL) D-Sub appliance connector, male, 15-pin
(pin assignment →20)
Measurement values
Switching functions
Switching function relays
Error signal
Error signal relay

An
U
S
U
S
E
t
D
i
U
s
W
n
alog output
s
S
B Type
A
i
n
S
B Type B i
n
t
hernet inter
f
i
mensions [
m
s
e
W
eight
s
n
terface
n
terface
f
ace
m
m]
V
a
c
N
V
D
O
M
C
P
P
D
T
P
D
T
I
P
M
F
A
c
uum Gaug
e
N
umber
V
oltage range
D
eviation from
O
utput resista
n
M
easuring sig
n
C
ONTROL co
n
P
rotocol
P
rotocol
D
ata format
ransmission r
P
rotocol
D
ata format
ransmission r
P
Address
M
AC Address
or incorporati
o
A
GC-100
e
Controlle
r
12
display value
n
ce
n
al vs. pressu
r
n
nector
r
ate
r
ate
o
n into a rack
r
AGC-100
1
–5 …
+
If no g
±20 m
<50 Ω
r
e depen
D-Su
b
(pin a
s
FAT fi
l
file ha
n
ACK/
N
bi-dire
1 stop
9600,
ACK/
N
bi-dire
no pa
r
9600,
DHC
P
reada
b
or control pa
n
0.85 k
+
14.5 V (dc)
auge is conn
e
V
ding on gaug
e
appliance co
s
signment →

l
e system
n
dling in ASC
N
AK, ASCII wi
ctional data fl
o
bit, no parity
19200, 3840
0
N
AK, ASCII wi
ctional, 1 star
t
r
ity bit, no han
19200, 3840
0
(default) or
m
b
le via "MAC"
n
el or as a de
s
g
e
cted, +14.5
V
e
(→[1]
…
o
nnector, mal
e
20)
C
II format
i
th 3-characte
ow, 1 start bit
bit, no hands
h
0
, 57600, 115
2
i
th 3-characte
r
t bit, 8 data bi
n
dshake
0
, 57600, 115
2
m
anual setting
parameter
s
k-top unit
V
(dc) is outpu
…
[8])
e
, 15-pin
r
mnemonics
, 8 data bits,
h
ake
2
00
r
mnemonics,
ts, 1 stop bit,
2
00
(→86)
t

3 Insta
l
3.1 Insta
3.1.1 Rac
k
Guid
l
lation
llation, S
e
k
Installati
o
e rail
e
tup
o
n
V
acuum
The uni
t
desk-to
p
The uni
t
DIN 41
4
with it.
In orde
r
ferably
e
Gauge Con
t
13
S
k
The unit
m
training a
n
the end-u
t
is suited for
i
p
unit.
Putting a
tremely h
a
operation
t
is designed
f
494. For this
p
DANGE
R
If the pro
d
class of t
h
accordin
g
Take app
the prote
c
r
to reduce th
e
e
quip the rac
k
t
roller AGC
-
k
illed perso
m
ay only be i
n
n
d the neces
s
ser of the pro
d
i
ncorporation
DANGER
product whic
h
a
zardous. If t
h
and make su
f
or installation
p
urpose, four
DANGER
R
: protection cl
d
uct is installe
h
e rack (prote
c
g
to the EN 60
2
r
opriate mea
s
c
tion class.
e
mechanical
s
k
chassis ada
p
Guide
r
-
100
nnel
n
stalled by pe
r
s
ary experien
c
d
uct.
into a 19" rac
k
h
is visibly da
m
h
e product is
v
r
e it is not ina
d
into a 19" ra
c
collar screws
ass of the rac
d
in a rack, it
c
tion against
f
2
04-1 regulati
ures for the r
a
s
train on the f
r
p
ter with a gui
a
il
r
sons who ha
v
c
e or who hav
e
k
or a control
m
aged into op
v
isibly damag
e
dvertently put
c
k chassis ad
a
and plastic sl
c
k
is likely to lo
w
f
oreign bodie
s
i
ons for switc
h
a
ck to meet t
h
ront panel of
t
de rail.
v
e suitable te
c
e
been instru
c
panel or for u
s
e
ration can b
e
e
d do not put
into operatio
n
a
pter accordi
n
e
eves are su
p
w
er the protec
t
s
and water) e
h
ing cabinets.
h
e specificatio
n
t
he AGC-100,
c
hnical
c
ted by
s
e as a
e
ex-
it into
n
.
n
g to
p
plied
t
ion
.g.
n
s of
pre-

Mounting h
Height 2 ra
c
H
eight
c
k chassis a
V
a
c
H
eight 2 rack

dapter
c
uum Gaug
e
chassis adap
t

Secure
Height 2
e
Controlle
r
14
t
er (→, 14)
the rack cha
s
The maxi
m
not be exc
Rack chas
s
Height 2
Ra
c
r
AGC-100
H
e
sis adapter in
m
um admissib
eeded and th
e
s
is adapte
r
c
k installation
e
ight 3 rack ch
the rack fra
m
l
e ambient te
m
e
air circulatio
H
e
h
assis adapte
r
m
e.
m
perature (→
o
n must not b
e
e
ight 3
r
(→, 15)
10) must
e
obstructed.

Height 3 rack ch
a
a
ssis adapte
V
acuum

S
…
s
u
For inc
o
two coll
a

S

M
A
r
Gauge Con
t
15
S
lide the AG
C
…
and fasten t
h
u
pplied with it.
o
rporation int
o
a
r screws an
d
S
ecure the ra
c
Th
e
not
M
ount the ad
a
A
GC-100 usi
n
R
H
t
roller AGC
-
C
-100 into the
h
e AGC-100 t
o
o
a 19" rack c
h
d
plastic sleev
e
c
k adapter in
t
e
maximum a
d
be exceeded
a
pter panel as
g the screws
a
ck chassis a
d
e
ight 3
Ad
(
H
-
100
a
dapter …
o
the rack ch
a
h
assis adapte
r
e
s) is availabl
t
he rack fram
e
d
missible am
b
and the air ci
r
upper extens
s
upplied with
d
apte
r
d
apter panel
eight 2 to heig
a
ssis adapter
u
r
, height 3, an
e (Accessori
e
e
.
b
ient tempera
t
rculation mus
t
s
ion to the fro
n
the adapter p
g
ht 3)
u
sing the scr
e
adapter pan
e
e
s →81).
ure (→10)
t
not be obstr
u
n
t panel of the
anel.
e
ws
e
l (incl.
must
u
cted.

3.1.2 Installati
o
panel
o
n in a con
t
V
a
c

F
F
s
u

t
rol
c
uum Gaug
e

Slide th
e
… and fa
supplied
w
DA
If t
h
cla
s
ac
c
Ta
k
the
or mounting t
h
or reducing t
h
u
pport the uni

Slide th
e
… and s
e
e
Controlle
r
16
e
AGC-100 in
a
sten the ada
p
with the AGC
-
DAN
G
NGER: prote
c
h
e product is i
s
s of the rack
c
ording to the
k
e appropriat
e
protection cl
a
h
e AGC-100 i
h
e mechanica
l
i
t.
e
AGC-100 in
e
cure it with f
o
r
AGC-100
to the rack ch
p
ter panel to t
h
-
100.
G
ER
c
tion class of
t
nstalled in a r
a
(protection a
g
EN 60204-1 r
e
measures fo
a
ss.
nto a control
p
The
m
ture (
air ci
r
l
strain on the
to the cut-out
o
ur M3 or equ
i
Height
3
assis adapter
h
e rack chass
i
t
he rack
a
ck, it is likel
y
g
ainst foreign
e
gulations for
r
the rack to
m
p
anel, the foll
o
m
aximum ad
m
→
10) mus
t
r
culation must
front panel o
f
of the control
valent screw
s
3
r
…
i
s adapter usi
n
y
to lower the
p
bodies and w
a
r
switching ca
b
m
eet the spec
i
o
wing cut-out
m
issible ambi
e
t
not be exce
e
t
not be obstr
u
f
the AGC-10
0
panel …
s
.
n
g the screw
s
p
rotection
a
ter) e.g.
b
inets.
i
fications of
is required:
e
nt tempera-
e
ded and the
u
cted.
0
, preferably
s

3.1.3 Use
3.2 Main
s
as Desk-
T
s
Power
C
T
op Unit
C
onnecto
r
V
acuum
The AG
adhesi
v

S
…
The uni
t
with yo
u
If the u
n
and tur
n
r
Gauge Con
t
17
G
C-100 may al
v
e rubber feet
S
tick the two
s
…
and slip th
e
DANGE
R
Incorrectl
y
event of
a
Use only
a
power co
n
ground.
T
without p
r
t
is supplied
w
u
r system, us
e
n
it is installed
n
ed on via a c
The socket
m
fuse-protect
e
10 A
ma
x
t
roller AGC
-
so be used a
s
and a slip-on
s
upplied rubb
e
e
supplied rub
b
DANGER
R
: line voltage
y
grounded p
r
a
fault.
a
3-conducto
r
n
nector may
o
T
he protection
r
otective grou
n
w
ith a power c
o
e
your own, s
u
in a switching
entral distribu
m
ust be
e
d with
x
-
100
s
a desk-top u
rubber bar ar
e
e
r feet to the r
Sel
e
ma
x
exc
e
(→

b
er bar onto t
h
r
oducts can b
e
r
power cable
w
o
nly be plugg
e
must not be
n
n
d.
o
rd. If the mai
u
itable cable
w
cabinet, the
m
t
or.
u
nit. For this p
u
e
supplied wit
r
ear part of th
e
e
ct a location
w
x
imum ambie
n
e
eded (e.g. d
u

10).
h
e bottom ed
g
e
extremely h
a
with protectiv
e
e
d into a sock
e
n
ullified by an
i
ns connector
w
ith protective
m
ains voltage
u
rpose, two s
e
h it.
e
bottom plat
e
w
here the ad
m
n
t temperatur
e
u
e to sun irra
d
g
e of the front
a
zardous in t
h
e
ground. Th
e
e
t with a prot
e
extension ca
b
is not compa
t
ground (3×1.
should be su
p
e
lf-
e
…
m
issible
e
is not
d
iation)
panel.
h
e
e
mains
e
ctive
b
le
t
ible
5 mm
3
).
p
plied

G
3.3
G
G
round Con
n
G
auge Co
n
ection
nnector
C
V
a
c
O
c
o
s
t
F
p
•
•
C
H 1
P
g
r
c
uum Gaug
e
O
n the rear of
t
o
nnected via
a
t
and.
or each chan
n
a
rallel:
one RJ45
a
one D-Sub
Con
avai
(ele
c
(→

Ca
u
On
l
(co
da
m
DA
Ac
c
ha
z
On
l
rotective
r
ounding
e
Controlle
r
18
t
he unit is a s
c
a
ground con
d
n
el there are
t
a
ppliance con
n
appliance co
n
nect the gau
g
lable from us
c
tromagnetic
c

10).
Caut
u
tion: Multipl
e
ly one sensor
nnection CH
A
m
aged.
DAN
G
NGER: Haza
r
c
ording to EN
z
ardous.
l
y connect a
p
1 only at o
r
AGC-100
c
rew enabling
d
uctor, e.g. wi
t
wo connectio
n
n
ector, femal
e
n
nector, fema
l
g
e to the CH 1
(→sales liter
a
c
ompatibility)
i
on
e
connection
may be conn
e
A
or CH B). O
t
G
ER
r
dous voltage
61010, volta
g
p
rotective low
v
nce
the AGC-10
0
t
h the protecti
n
s available
w
e
, 8-pin (CH A
)
e, 15-pin (CH
connector vi
a
a
ture) or your
s
ensor cable.
e
cted to each
t
herwise the
c
g
es exceeding
v
oltage (PEL
V
Do not unf
a
this scr
e
(internal gr
o
protecti
o
0
where nece
s
i
ve ground of
w
hich are con
n
)
H
B)
a
a sensor ca
b
own, screen
e
Use compati
b
of the chann
e
c
onnected se
n
g
30 V (ac) or
6
V
).
a
sten
e
w
r
ound
o
n)
s
sary to be
t
he pump
n
ected in
b
le set
e
d
b
le gauges
e
ls
n
sors may be
6
0 V (dc) are

Pin as
s
A
p
p
A
p
p
signment C
H
p
liance sock
e
p
liance sock
e
H
1
e
t RJ45
e
t D-Sub
V
acuum
Pin ass
i
applian
c
Pin
1
2
3
4
5
6
7
8
Pin ass
i
applian
c
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Gauge Con
t
19
i
gnment of th
e
c
e connector
s
Signal
Supply
Supply co
m
Signal inp
u
Identificati
o
Signal co
m
Status
HV_L
HV_H
/
H
V
i
gnment of th
e
c
e connector
s
Signal
EMI statu
s
Signal inp
u
Status
HV_H
/
H
V
Supply co
m
n.c.
Degas
Supply
n.c.
Identificati
o
Supply
Signal co
m
RxD
TxD
Chassis
t
roller AGC
-
e
female 8-pin
s
:
+24 V
m
mon GND
u
t (meas
o
n
m
mon
V
_EMI
e
female 15-pi
s
:
s
u
t (meas
V
_EMI
m
mon GND
+24 V
o
n
+24 V
m
mon
-
100
RJ45
(dc)
uring signal 0
n D-Sub
uring signal 0
(dc)
(dc)
… +10 V (dc
)
… +10 V (dc
)
)
)
)
)

3.4
C
P
C
ONTRO
L
P
in assignm
e
L
Connec
t
e
nt
V
a
c
T
t
h
P
a
t
or
c
uum Gaug
e
his connector
h
e floating co
n
Con
rear
cabl
DA
Ac
c
ha
z
On
l
P
in assignmen
ppliance con
n
Pin Sign
a
1
2
Anal
o
Anal
o
Swit
c
3
4
5
6 HV_
H
7
8
+24
V
Cha
s
Erro
r
9
10
11
Swit
c
12
13
14
15 Cha
s
The
tha
n
e
Controlle
r
20
r
allows the u
s
n
tacts of the e
nect the peri
p
of the unit us
e.
DAN
G
NGER: Haza
r
c
ording to EN
z
ardous.
l
y connect a
p
t of the male
1
n
ector:
a
l
o
g output
–
o
g output GN
D
c
hing function
Pressure
threshold
supply tu
r
H
on +
2
off
V
(dc), 200 m
A
s
sis = GND
r
signal
No error
c
hing function
Pressure
threshold
supply tu
r
s
sis = GND
analog outpu
n
±20 mV.
r
AGC-100
s
er to read th
e
rror relay.
p
heral compo
n
ing your own,
G
ER
r
dous voltage
61010, volta
g
p
rotective low
v
1
5-pin D-Sub
–
5 … +13 V (
d
D
1
above
or power
r
ned off
2
4 V
0 V
A
Fuse-pr
o
self-rese
t
CONTR
O
a ground
2
above
or power
r
ned off
t (pin 1) differ
s
measuring si
n
ents to the C
O
screened (el
e
g
es exceeding
v
oltage (PEL
V
d
c)
tected at 300
t
ting after po
w
O
Lconnector.
ed protective
s
from the dis
p
i
gnal, evaluat
e
ONTROL con
e
ctromagneti
c
g
30 V (ac) or
6
V
).
Pressure be
l
threshold
mA with PT
C
w
er off or pulli
n
Meets the re
q
extra low volt
a
Error or pow
turned off
Pressure be
l
threshold
played value
b
e
the state of
nector on the
c
compatibility
)
6
0 V (dc) are
low
element,
n
g the
q
uirements of
a
ge.
e
r supply
low
b
y no more
)